Neil Armstrong's LM PPK contained a bit of wood in the Wright brothers' 1903 Wright Flyer's left propeller and a bit of material from its wing,[81] along with a diamond-studded astronaut pin at first supplied to Slayton because of the widows from the Apollo 1 crew. Apollo eleven space-flown https://ambiq.com/news/ambiq-and-thinkar-disrupt-the-ar-glasses-industry-with-the-ailens/